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Finding the Third Proportional to 78,837,413 and 168,570,082

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Solution

The third proportional to 78,837,413 and 168,570,082 is: 360,436,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837,413 : 168,570,082 = 168,570,082 : x
  2. Step 2: Convert to fraction form
    78,837,413/168,570,082 = 168,570,082/x
  3. Step 3: Cross multiply
    78,837,413x = 168,570,082 × 168,570,082
  4. Step 4: Simplify right side
    78,837,413x = 28,415,872,545,486,724
  5. Step 5: Solve for x
    x = 28,415,872,545,486,724/78,837,413
  6. Step 6: Final answer
    x = 360,436,390.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.