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Finding the Third Proportional to 18,742,347 and 28,313,220.94

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Solution

The third proportional to 18,742,347 and 28,313,220.94 is: 42,771,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742,347 : 28,313,220.94 = 28,313,220.94 : x
  2. Step 2: Convert to fraction form
    18,742,347/28,313,220.94 = 28,313,220.94/x
  3. Step 3: Cross multiply
    18,742,347x = 28,313,220.94 × 28,313,220.94
  4. Step 4: Simplify right side
    18,742,347x = 801,638,479,855,688.38
  5. Step 5: Solve for x
    x = 801,638,479,855,688.38/18,742,347
  6. Step 6: Final answer
    x = 42,771,509.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.