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Finding the Third Proportional to 80,426,657 and 173,607,887

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Solution

The third proportional to 80,426,657 and 173,607,887 is: 374,747,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426,657 : 173,607,887 = 173,607,887 : x
  2. Step 2: Convert to fraction form
    80,426,657/173,607,887 = 173,607,887/x
  3. Step 3: Cross multiply
    80,426,657x = 173,607,887 × 173,607,887
  4. Step 4: Simplify right side
    80,426,657x = 30,139,698,428,604,768
  5. Step 5: Solve for x
    x = 30,139,698,428,604,768/80,426,657
  6. Step 6: Final answer
    x = 374,747,621.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.