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Finding the Third Proportional to 76,955,718.52 and 169,302,429.28

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Solution

The third proportional to 76,955,718.52 and 169,302,429.28 is: 372,465,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955,718.52 : 169,302,429.28 = 169,302,429.28 : x
  2. Step 2: Convert to fraction form
    76,955,718.52/169,302,429.28 = 169,302,429.28/x
  3. Step 3: Cross multiply
    76,955,718.52x = 169,302,429.28 × 169,302,429.28
  4. Step 4: Simplify right side
    76,955,718.52x = 28,663,312,560,532,656
  5. Step 5: Solve for x
    x = 28,663,312,560,532,656/76,955,718.52
  6. Step 6: Final answer
    x = 372,465,011.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.