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Finding the Third Proportional to 137,871,300 and 298,720,332

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Solution

The third proportional to 137,871,300 and 298,720,332 is: 647,225,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,871,300 : 298,720,332 = 298,720,332 : x
  2. Step 2: Convert to fraction form
    137,871,300/298,720,332 = 298,720,332/x
  3. Step 3: Cross multiply
    137,871,300x = 298,720,332 × 298,720,332
  4. Step 4: Simplify right side
    137,871,300x = 89,233,836,750,190,224
  5. Step 5: Solve for x
    x = 89,233,836,750,190,224/137,871,300
  6. Step 6: Final answer
    x = 647,225,613.67

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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.