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Finding the Third Proportional to 12,983,208 and 20,209,572

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Solution

The third proportional to 12,983,208 and 20,209,572 is: 31,458,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,208 : 20,209,572 = 20,209,572 : x
  2. Step 2: Convert to fraction form
    12,983,208/20,209,572 = 20,209,572/x
  3. Step 3: Cross multiply
    12,983,208x = 20,209,572 × 20,209,572
  4. Step 4: Simplify right side
    12,983,208x = 408,426,800,423,184
  5. Step 5: Solve for x
    x = 408,426,800,423,184/12,983,208
  6. Step 6: Final answer
    x = 31,458,080.35

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.