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Finding the Third Proportional to 19,549,356 and 42,126,246

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Solution

The third proportional to 19,549,356 and 42,126,246 is: 90,776,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549,356 : 42,126,246 = 42,126,246 : x
  2. Step 2: Convert to fraction form
    19,549,356/42,126,246 = 42,126,246/x
  3. Step 3: Cross multiply
    19,549,356x = 42,126,246 × 42,126,246
  4. Step 4: Simplify right side
    19,549,356x = 1,774,620,602,052,516
  5. Step 5: Solve for x
    x = 1,774,620,602,052,516/19,549,356
  6. Step 6: Final answer
    x = 90,776,422.61

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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.