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Finding the Third Proportional to 19,537,290 and 28,720,683

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Solution

The third proportional to 19,537,290 and 28,720,683 is: 42,220,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537,290 : 28,720,683 = 28,720,683 : x
  2. Step 2: Convert to fraction form
    19,537,290/28,720,683 = 28,720,683/x
  3. Step 3: Cross multiply
    19,537,290x = 28,720,683 × 28,720,683
  4. Step 4: Simplify right side
    19,537,290x = 824,877,631,986,489
  5. Step 5: Solve for x
    x = 824,877,631,986,489/19,537,290
  6. Step 6: Final answer
    x = 42,220,678.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.