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Finding the Third Proportional to 571,215 and 1,240,746

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Solution

The third proportional to 571,215 and 1,240,746 is: 2,695,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,215 : 1,240,746 = 1,240,746 : x
  2. Step 2: Convert to fraction form
    571,215/1,240,746 = 1,240,746/x
  3. Step 3: Cross multiply
    571,215x = 1,240,746 × 1,240,746
  4. Step 4: Simplify right side
    571,215x = 1,539,450,636,516
  5. Step 5: Solve for x
    x = 1,539,450,636,516/571,215
  6. Step 6: Final answer
    x = 2,695,045.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.