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Finding the Third Proportional to 130,312.13 and 285,535.13

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Solution

The third proportional to 130,312.13 and 285,535.13 is: 625,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.13 : 285,535.13 = 285,535.13 : x
  2. Step 2: Convert to fraction form
    130,312.13/285,535.13 = 285,535.13/x
  3. Step 3: Cross multiply
    130,312.13x = 285,535.13 × 285,535.13
  4. Step 4: Simplify right side
    130,312.13x = 81,530,307,608.77
  5. Step 5: Solve for x
    x = 81,530,307,608.77/130,312.13
  6. Step 6: Final answer
    x = 625,654.04

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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.