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Finding the Third Proportional to 15,721,346 and 34,210,597

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Solution

The third proportional to 15,721,346 and 34,210,597 is: 74,444,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,346 : 34,210,597 = 34,210,597 : x
  2. Step 2: Convert to fraction form
    15,721,346/34,210,597 = 34,210,597/x
  3. Step 3: Cross multiply
    15,721,346x = 34,210,597 × 34,210,597
  4. Step 4: Simplify right side
    15,721,346x = 1,170,364,947,096,409
  5. Step 5: Solve for x
    x = 1,170,364,947,096,409/15,721,346
  6. Step 6: Final answer
    x = 74,444,322.20

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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.