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Finding the Third Proportional to 8,713,402 and 18,938,030

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Solution

The third proportional to 8,713,402 and 18,938,030 is: 41,160,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,402 : 18,938,030 = 18,938,030 : x
  2. Step 2: Convert to fraction form
    8,713,402/18,938,030 = 18,938,030/x
  3. Step 3: Cross multiply
    8,713,402x = 18,938,030 × 18,938,030
  4. Step 4: Simplify right side
    8,713,402x = 358,648,980,280,900
  5. Step 5: Solve for x
    x = 358,648,980,280,900/8,713,402
  6. Step 6: Final answer
    x = 41,160,614.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.