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Finding the Third Proportional to 14,190,386 and 21,639,819

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Solution

The third proportional to 14,190,386 and 21,639,819 is: 32,999,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,386 : 21,639,819 = 21,639,819 : x
  2. Step 2: Convert to fraction form
    14,190,386/21,639,819 = 21,639,819/x
  3. Step 3: Cross multiply
    14,190,386x = 21,639,819 × 21,639,819
  4. Step 4: Simplify right side
    14,190,386x = 468,281,766,352,761
  5. Step 5: Solve for x
    x = 468,281,766,352,761/14,190,386
  6. Step 6: Final answer
    x = 32,999,931.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.