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Finding the Third Proportional to 21,341,988 and 45,920,880.84

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Solution

The third proportional to 21,341,988 and 45,920,880.84 is: 98,806,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341,988 : 45,920,880.84 = 45,920,880.84 : x
  2. Step 2: Convert to fraction form
    21,341,988/45,920,880.84 = 45,920,880.84/x
  3. Step 3: Cross multiply
    21,341,988x = 45,920,880.84 × 45,920,880.84
  4. Step 4: Simplify right side
    21,341,988x = 2,108,727,297,465,885.75
  5. Step 5: Solve for x
    x = 2,108,727,297,465,885.75/21,341,988
  6. Step 6: Final answer
    x = 98,806,507.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.