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Finding the Third Proportional to 19,474,680 and 30,314,316

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Solution

The third proportional to 19,474,680 and 30,314,316 is: 47,187,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474,680 : 30,314,316 = 30,314,316 : x
  2. Step 2: Convert to fraction form
    19,474,680/30,314,316 = 30,314,316/x
  3. Step 3: Cross multiply
    19,474,680x = 30,314,316 × 30,314,316
  4. Step 4: Simplify right side
    19,474,680x = 918,957,754,547,856
  5. Step 5: Solve for x
    x = 918,957,754,547,856/19,474,680
  6. Step 6: Final answer
    x = 47,187,309.60

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.