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Finding the Third Proportional to 426,260 and 625,566

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Solution

The third proportional to 426,260 and 625,566 is: 918,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,260 : 625,566 = 625,566 : x
  2. Step 2: Convert to fraction form
    426,260/625,566 = 625,566/x
  3. Step 3: Cross multiply
    426,260x = 625,566 × 625,566
  4. Step 4: Simplify right side
    426,260x = 391,332,820,356
  5. Step 5: Solve for x
    x = 391,332,820,356/426,260
  6. Step 6: Final answer
    x = 918,061.32

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.