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Finding the Third Proportional to 328,229,390 and 519,742,929

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Solution

The third proportional to 328,229,390 and 519,742,929 is: 822,999,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,229,390 : 519,742,929 = 519,742,929 : x
  2. Step 2: Convert to fraction form
    328,229,390/519,742,929 = 519,742,929/x
  3. Step 3: Cross multiply
    328,229,390x = 519,742,929 × 519,742,929
  4. Step 4: Simplify right side
    328,229,390x = 270,132,712,245,499,040
  5. Step 5: Solve for x
    x = 270,132,712,245,499,040/328,229,390
  6. Step 6: Final answer
    x = 822,999,769.29

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.