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Finding the Third Proportional to 197,207,030 and 306,575,364

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Solution

The third proportional to 197,207,030 and 306,575,364 is: 476,597,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207,030 : 306,575,364 = 306,575,364 : x
  2. Step 2: Convert to fraction form
    197,207,030/306,575,364 = 306,575,364/x
  3. Step 3: Cross multiply
    197,207,030x = 306,575,364 × 306,575,364
  4. Step 4: Simplify right side
    197,207,030x = 93,988,453,811,732,496
  5. Step 5: Solve for x
    x = 93,988,453,811,732,496/197,207,030
  6. Step 6: Final answer
    x = 476,597,887.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.