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Finding the Third Proportional to 15,911,240 and 34,357,892

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Solution

The third proportional to 15,911,240 and 34,357,892 is: 74,190,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,240 : 34,357,892 = 34,357,892 : x
  2. Step 2: Convert to fraction form
    15,911,240/34,357,892 = 34,357,892/x
  3. Step 3: Cross multiply
    15,911,240x = 34,357,892 × 34,357,892
  4. Step 4: Simplify right side
    15,911,240x = 1,180,464,742,683,664
  5. Step 5: Solve for x
    x = 1,180,464,742,683,664/15,911,240
  6. Step 6: Final answer
    x = 74,190,618.88

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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.