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Finding the Third Proportional to 487,887 and 750,855

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Solution

The third proportional to 487,887 and 750,855 is: 1,155,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,887 : 750,855 = 750,855 : x
  2. Step 2: Convert to fraction form
    487,887/750,855 = 750,855/x
  3. Step 3: Cross multiply
    487,887x = 750,855 × 750,855
  4. Step 4: Simplify right side
    487,887x = 563,783,231,025
  5. Step 5: Solve for x
    x = 563,783,231,025/487,887
  6. Step 6: Final answer
    x = 1,155,561.08

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.