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Finding the Third Proportional to 115,152.19 and 249,166.69

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Solution

The third proportional to 115,152.19 and 249,166.69 is: 539,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,152.19 : 249,166.69 = 249,166.69 : x
  2. Step 2: Convert to fraction form
    115,152.19/249,166.69 = 249,166.69/x
  3. Step 3: Cross multiply
    115,152.19x = 249,166.69 × 249,166.69
  4. Step 4: Simplify right side
    115,152.19x = 62,084,038,159.72
  5. Step 5: Solve for x
    x = 62,084,038,159.72/115,152.19
  6. Step 6: Final answer
    x = 539,147.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.