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Finding the Third Proportional to 163,617,824 and 247,123,459

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Solution

The third proportional to 163,617,824 and 247,123,459 is: 373,247,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,617,824 : 247,123,459 = 247,123,459 : x
  2. Step 2: Convert to fraction form
    163,617,824/247,123,459 = 247,123,459/x
  3. Step 3: Cross multiply
    163,617,824x = 247,123,459 × 247,123,459
  4. Step 4: Simplify right side
    163,617,824x = 61,070,003,988,124,680
  5. Step 5: Solve for x
    x = 61,070,003,988,124,680/163,617,824
  6. Step 6: Final answer
    x = 373,247,868.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.