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Finding the Third Proportional to 425,130,774.75 and 915,463,309.50

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Solution

The third proportional to 425,130,774.75 and 915,463,309.50 is: 1,971,330,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,130,774.75 : 915,463,309.50 = 915,463,309.50 : x
  2. Step 2: Convert to fraction form
    425,130,774.75/915,463,309.50 = 915,463,309.50/x
  3. Step 3: Cross multiply
    425,130,774.75x = 915,463,309.50 × 915,463,309.50
  4. Step 4: Simplify right side
    425,130,774.75x = 838,073,071,040,692,736
  5. Step 5: Solve for x
    x = 838,073,071,040,692,736/425,130,774.75
  6. Step 6: Final answer
    x = 1,971,330,049.05

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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.