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Finding the Third Proportional to 687,899,443,955.60 and 1,496,573,497,785.40

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Solution

The third proportional to 687,899,443,955.60 and 1,496,573,497,785.40 is: 3,255,900,631,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,899,443,955.60 : 1,496,573,497,785.40 = 1,496,573,497,785.40 : x
  2. Step 2: Convert to fraction form
    687,899,443,955.60/1,496,573,497,785.40 = 1,496,573,497,785.40/x
  3. Step 3: Cross multiply
    687,899,443,955.60x = 1,496,573,497,785.40 × 1,496,573,497,785.40
  4. Step 4: Simplify right side
    687,899,443,955.60x = 2,239,732,234,273,626,313,981,952
  5. Step 5: Solve for x
    x = 2,239,732,234,273,626,313,981,952/687,899,443,955.60
  6. Step 6: Final answer
    x = 3,255,900,631,921.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.