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Finding the Third Proportional to 306,023,368.50 and 660,407,139

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Solution

The third proportional to 306,023,368.50 and 660,407,139 is: 1,425,177,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,023,368.50 : 660,407,139 = 660,407,139 : x
  2. Step 2: Convert to fraction form
    306,023,368.50/660,407,139 = 660,407,139/x
  3. Step 3: Cross multiply
    306,023,368.50x = 660,407,139 × 660,407,139
  4. Step 4: Simplify right side
    306,023,368.50x = 436,137,589,242,165,312
  5. Step 5: Solve for x
    x = 436,137,589,242,165,312/306,023,368.50
  6. Step 6: Final answer
    x = 1,425,177,401.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.