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Finding the Third Proportional to 7,042,990.50 and 9,433,806.75

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Solution

The third proportional to 7,042,990.50 and 9,433,806.75 is: 12,636,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,990.50 : 9,433,806.75 = 9,433,806.75 : x
  2. Step 2: Convert to fraction form
    7,042,990.50/9,433,806.75 = 9,433,806.75/x
  3. Step 3: Cross multiply
    7,042,990.50x = 9,433,806.75 × 9,433,806.75
  4. Step 4: Simplify right side
    7,042,990.50x = 88,996,709,796,345.56
  5. Step 5: Solve for x
    x = 88,996,709,796,345.56/7,042,990.50
  6. Step 6: Final answer
    x = 12,636,210.40

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.