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Finding the Third Proportional to 13,319,972 and 19,926,492

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Solution

The third proportional to 13,319,972 and 19,926,492 is: 29,809,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,972 : 19,926,492 = 19,926,492 : x
  2. Step 2: Convert to fraction form
    13,319,972/19,926,492 = 19,926,492/x
  3. Step 3: Cross multiply
    13,319,972x = 19,926,492 × 19,926,492
  4. Step 4: Simplify right side
    13,319,972x = 397,065,083,426,064
  5. Step 5: Solve for x
    x = 397,065,083,426,064/13,319,972
  6. Step 6: Final answer
    x = 29,809,753.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.