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Finding the Third Proportional to 130,658.63 and 286,228.13

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Solution

The third proportional to 130,658.63 and 286,228.13 is: 627,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,658.63 : 286,228.13 = 286,228.13 : x
  2. Step 2: Convert to fraction form
    130,658.63/286,228.13 = 286,228.13/x
  3. Step 3: Cross multiply
    130,658.63x = 286,228.13 × 286,228.13
  4. Step 4: Simplify right side
    130,658.63x = 81,926,539,541.02
  5. Step 5: Solve for x
    x = 81,926,539,541.02/130,658.63
  6. Step 6: Final answer
    x = 627,027.41

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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.