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Finding the Third Proportional to 85,287,380 and 124,732,574

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Solution

The third proportional to 85,287,380 and 124,732,574 is: 182,421,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,287,380 : 124,732,574 = 124,732,574 : x
  2. Step 2: Convert to fraction form
    85,287,380/124,732,574 = 124,732,574/x
  3. Step 3: Cross multiply
    85,287,380x = 124,732,574 × 124,732,574
  4. Step 4: Simplify right side
    85,287,380x = 15,558,215,016,665,476
  5. Step 5: Solve for x
    x = 15,558,215,016,665,476/85,287,380
  6. Step 6: Final answer
    x = 182,421,068.82

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.