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Finding the Third Proportional to 711,554 and 1,561,545

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Solution

The third proportional to 711,554 and 1,561,545 is: 3,426,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,554 : 1,561,545 = 1,561,545 : x
  2. Step 2: Convert to fraction form
    711,554/1,561,545 = 1,561,545/x
  3. Step 3: Cross multiply
    711,554x = 1,561,545 × 1,561,545
  4. Step 4: Simplify right side
    711,554x = 2,438,422,787,025
  5. Step 5: Solve for x
    x = 2,438,422,787,025/711,554
  6. Step 6: Final answer
    x = 3,426,897.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.