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Finding the Third Proportional to 173,890,851 and 375,021,436

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Solution

The third proportional to 173,890,851 and 375,021,436 is: 808,789,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890,851 : 375,021,436 = 375,021,436 : x
  2. Step 2: Convert to fraction form
    173,890,851/375,021,436 = 375,021,436/x
  3. Step 3: Cross multiply
    173,890,851x = 375,021,436 × 375,021,436
  4. Step 4: Simplify right side
    173,890,851x = 140,641,077,459,502,096
  5. Step 5: Solve for x
    x = 140,641,077,459,502,096/173,890,851
  6. Step 6: Final answer
    x = 808,789,402.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.