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Finding the Third Proportional to 640,841,351 and 1,315,655,358

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Solution

The third proportional to 640,841,351 and 1,315,655,358 is: 2,701,057,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,841,351 : 1,315,655,358 = 1,315,655,358 : x
  2. Step 2: Convert to fraction form
    640,841,351/1,315,655,358 = 1,315,655,358/x
  3. Step 3: Cross multiply
    640,841,351x = 1,315,655,358 × 1,315,655,358
  4. Step 4: Simplify right side
    640,841,351x = 1,730,949,021,034,108,160
  5. Step 5: Solve for x
    x = 1,730,949,021,034,108,160/640,841,351
  6. Step 6: Final answer
    x = 2,701,057,006.28

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.