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Finding the Third Proportional to 5,217,112.13 and 7,209,064.13

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Solution

The third proportional to 5,217,112.13 and 7,209,064.13 is: 9,961,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,112.13 : 7,209,064.13 = 7,209,064.13 : x
  2. Step 2: Convert to fraction form
    5,217,112.13/7,209,064.13 = 7,209,064.13/x
  3. Step 3: Cross multiply
    5,217,112.13x = 7,209,064.13 × 7,209,064.13
  4. Step 4: Simplify right side
    5,217,112.13x = 51,970,605,558,362.02
  5. Step 5: Solve for x
    x = 51,970,605,558,362.02/5,217,112.13
  6. Step 6: Final answer
    x = 9,961,565.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.