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Finding the Third Proportional to 21,011,352 and 45,161,184

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Solution

The third proportional to 21,011,352 and 45,161,184 is: 97,068,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,352 : 45,161,184 = 45,161,184 : x
  2. Step 2: Convert to fraction form
    21,011,352/45,161,184 = 45,161,184/x
  3. Step 3: Cross multiply
    21,011,352x = 45,161,184 × 45,161,184
  4. Step 4: Simplify right side
    21,011,352x = 2,039,532,540,281,856
  5. Step 5: Solve for x
    x = 2,039,532,540,281,856/21,011,352
  6. Step 6: Final answer
    x = 97,068,124.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.