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Finding the Third Proportional to 118,724.91 and 249,751.69

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Solution

The third proportional to 118,724.91 and 249,751.69 is: 525,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.91 : 249,751.69 = 249,751.69 : x
  2. Step 2: Convert to fraction form
    118,724.91/249,751.69 = 249,751.69/x
  3. Step 3: Cross multiply
    118,724.91x = 249,751.69 × 249,751.69
  4. Step 4: Simplify right side
    118,724.91x = 62,375,905,409.10
  5. Step 5: Solve for x
    x = 62,375,905,409.10/118,724.91
  6. Step 6: Final answer
    x = 525,381.80

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.