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Finding the Third Proportional to 7,039,108,590 and 15,288,906,480

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Solution

The third proportional to 7,039,108,590 and 15,288,906,480 is: 33,207,423,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,108,590 : 15,288,906,480 = 15,288,906,480 : x
  2. Step 2: Convert to fraction form
    7,039,108,590/15,288,906,480 = 15,288,906,480/x
  3. Step 3: Cross multiply
    7,039,108,590x = 15,288,906,480 × 15,288,906,480
  4. Step 4: Simplify right side
    7,039,108,590x = 233,750,661,354,185,981,952
  5. Step 5: Solve for x
    x = 233,750,661,354,185,981,952/7,039,108,590
  6. Step 6: Final answer
    x = 33,207,423,690.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.