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Finding the Third Proportional to 173,211,885 and 358,701,588

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Solution

The third proportional to 173,211,885 and 358,701,588 is: 742,829,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211,885 : 358,701,588 = 358,701,588 : x
  2. Step 2: Convert to fraction form
    173,211,885/358,701,588 = 358,701,588/x
  3. Step 3: Cross multiply
    173,211,885x = 358,701,588 × 358,701,588
  4. Step 4: Simplify right side
    173,211,885x = 128,666,829,233,721,744
  5. Step 5: Solve for x
    x = 128,666,829,233,721,744/173,211,885
  6. Step 6: Final answer
    x = 742,829,103.41

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.