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Finding the Third Proportional to 8,701,382 and 19,142,642

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Solution

The third proportional to 8,701,382 and 19,142,642 is: 42,112,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,382 : 19,142,642 = 19,142,642 : x
  2. Step 2: Convert to fraction form
    8,701,382/19,142,642 = 19,142,642/x
  3. Step 3: Cross multiply
    8,701,382x = 19,142,642 × 19,142,642
  4. Step 4: Simplify right side
    8,701,382x = 366,440,742,740,164
  5. Step 5: Solve for x
    x = 366,440,742,740,164/8,701,382
  6. Step 6: Final answer
    x = 42,112,935.94

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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.