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Finding the Third Proportional to 9,069,746 and 19,908,748

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Solution

The third proportional to 9,069,746 and 19,908,748 is: 43,701,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,746 : 19,908,748 = 19,908,748 : x
  2. Step 2: Convert to fraction form
    9,069,746/19,908,748 = 19,908,748/x
  3. Step 3: Cross multiply
    9,069,746x = 19,908,748 × 19,908,748
  4. Step 4: Simplify right side
    9,069,746x = 396,358,246,927,504
  5. Step 5: Solve for x
    x = 396,358,246,927,504/9,069,746
  6. Step 6: Final answer
    x = 43,701,140.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.