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Finding the Third Proportional to 15,721,348 and 34,210,602

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Solution

The third proportional to 15,721,348 and 34,210,602 is: 74,444,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,348 : 34,210,602 = 34,210,602 : x
  2. Step 2: Convert to fraction form
    15,721,348/34,210,602 = 34,210,602/x
  3. Step 3: Cross multiply
    15,721,348x = 34,210,602 × 34,210,602
  4. Step 4: Simplify right side
    15,721,348x = 1,170,365,289,202,404
  5. Step 5: Solve for x
    x = 1,170,365,289,202,404/15,721,348
  6. Step 6: Final answer
    x = 74,444,334.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.