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Finding the Third Proportional to 15,518,960 and 31,480,424

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Solution

The third proportional to 15,518,960 and 31,480,424 is: 63,858,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518,960 : 31,480,424 = 31,480,424 : x
  2. Step 2: Convert to fraction form
    15,518,960/31,480,424 = 31,480,424/x
  3. Step 3: Cross multiply
    15,518,960x = 31,480,424 × 31,480,424
  4. Step 4: Simplify right side
    15,518,960x = 991,017,095,219,776
  5. Step 5: Solve for x
    x = 991,017,095,219,776/15,518,960
  6. Step 6: Final answer
    x = 63,858,473.46

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.