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Finding the Third Proportional to 38,871,903 and 89,990,841

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Solution

The third proportional to 38,871,903 and 89,990,841 is: 208,334,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,903 : 89,990,841 = 89,990,841 : x
  2. Step 2: Convert to fraction form
    38,871,903/89,990,841 = 89,990,841/x
  3. Step 3: Cross multiply
    38,871,903x = 89,990,841 × 89,990,841
  4. Step 4: Simplify right side
    38,871,903x = 8,098,351,463,887,281
  5. Step 5: Solve for x
    x = 8,098,351,463,887,281/38,871,903
  6. Step 6: Final answer
    x = 208,334,319.62

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.