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Finding the Third Proportional to 715,780.55 and 1,557,502.17

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Solution

The third proportional to 715,780.55 and 1,557,502.17 is: 3,389,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,780.55 : 1,557,502.17 = 1,557,502.17 : x
  2. Step 2: Convert to fraction form
    715,780.55/1,557,502.17 = 1,557,502.17/x
  3. Step 3: Cross multiply
    715,780.55x = 1,557,502.17 × 1,557,502.17
  4. Step 4: Simplify right side
    715,780.55x = 2,425,813,015,395.34
  5. Step 5: Solve for x
    x = 2,425,813,015,395.34/715,780.55
  6. Step 6: Final answer
    x = 3,389,045.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.