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Finding the Third Proportional to 20,643,243.75 and 28,931,364

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Solution

The third proportional to 20,643,243.75 and 28,931,364 is: 40,547,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,243.75 : 28,931,364 = 28,931,364 : x
  2. Step 2: Convert to fraction form
    20,643,243.75/28,931,364 = 28,931,364/x
  3. Step 3: Cross multiply
    20,643,243.75x = 28,931,364 × 28,931,364
  4. Step 4: Simplify right side
    20,643,243.75x = 837,023,822,900,496
  5. Step 5: Solve for x
    x = 837,023,822,900,496/20,643,243.75
  6. Step 6: Final answer
    x = 40,547,107.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.