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Finding the Third Proportional to 15,980,580 and 35,218,548

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Solution

The third proportional to 15,980,580 and 35,218,548 is: 77,615,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980,580 : 35,218,548 = 35,218,548 : x
  2. Step 2: Convert to fraction form
    15,980,580/35,218,548 = 35,218,548/x
  3. Step 3: Cross multiply
    15,980,580x = 35,218,548 × 35,218,548
  4. Step 4: Simplify right side
    15,980,580x = 1,240,346,123,228,304
  5. Step 5: Solve for x
    x = 1,240,346,123,228,304/15,980,580
  6. Step 6: Final answer
    x = 77,615,838.93

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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.