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Finding the Third Proportional to 19,966,771.50 and 28,532,981.25

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Solution

The third proportional to 19,966,771.50 and 28,532,981.25 is: 40,774,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,771.50 : 28,532,981.25 = 28,532,981.25 : x
  2. Step 2: Convert to fraction form
    19,966,771.50/28,532,981.25 = 28,532,981.25/x
  3. Step 3: Cross multiply
    19,966,771.50x = 28,532,981.25 × 28,532,981.25
  4. Step 4: Simplify right side
    19,966,771.50x = 814,131,019,012,851.50
  5. Step 5: Solve for x
    x = 814,131,019,012,851.50/19,966,771.50
  6. Step 6: Final answer
    x = 40,774,294.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.