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Finding the Third Proportional to 8,985,730 and 19,651,072

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Solution

The third proportional to 8,985,730 and 19,651,072 is: 42,975,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,730 : 19,651,072 = 19,651,072 : x
  2. Step 2: Convert to fraction form
    8,985,730/19,651,072 = 19,651,072/x
  3. Step 3: Cross multiply
    8,985,730x = 19,651,072 × 19,651,072
  4. Step 4: Simplify right side
    8,985,730x = 386,164,630,749,184
  5. Step 5: Solve for x
    x = 386,164,630,749,184/8,985,730
  6. Step 6: Final answer
    x = 42,975,320.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.