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Finding the Third Proportional to 497,026,416 and 777,988,872

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Solution

The third proportional to 497,026,416 and 777,988,872 is: 1,217,775,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,026,416 : 777,988,872 = 777,988,872 : x
  2. Step 2: Convert to fraction form
    497,026,416/777,988,872 = 777,988,872/x
  3. Step 3: Cross multiply
    497,026,416x = 777,988,872 × 777,988,872
  4. Step 4: Simplify right side
    497,026,416x = 605,266,684,955,832,320
  5. Step 5: Solve for x
    x = 605,266,684,955,832,320/497,026,416
  6. Step 6: Final answer
    x = 1,217,775,686.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.