Home / 20,971,257.75-28,333,482.75

Finding the Third Proportional to 20,971,257.75 and 28,333,482.75

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Solution

The third proportional to 20,971,257.75 and 28,333,482.75 is: 38,280,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,257.75 : 28,333,482.75 = 28,333,482.75 : x
  2. Step 2: Convert to fraction form
    20,971,257.75/28,333,482.75 = 28,333,482.75/x
  3. Step 3: Cross multiply
    20,971,257.75x = 28,333,482.75 × 28,333,482.75
  4. Step 4: Simplify right side
    20,971,257.75x = 802,786,244,744,547.50
  5. Step 5: Solve for x
    x = 802,786,244,744,547.50/20,971,257.75
  6. Step 6: Final answer
    x = 38,280,309.86

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.