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Finding the Third Proportional to 477,612 and 745,470

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Solution

The third proportional to 477,612 and 745,470 is: 1,163,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,612 : 745,470 = 745,470 : x
  2. Step 2: Convert to fraction form
    477,612/745,470 = 745,470/x
  3. Step 3: Cross multiply
    477,612x = 745,470 × 745,470
  4. Step 4: Simplify right side
    477,612x = 555,725,520,900
  5. Step 5: Solve for x
    x = 555,725,520,900/477,612
  6. Step 6: Final answer
    x = 1,163,550.16

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.