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Finding the Third Proportional to 358,445,522 and 553,586,910

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Solution

The third proportional to 358,445,522 and 553,586,910 is: 854,965,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,445,522 : 553,586,910 = 553,586,910 : x
  2. Step 2: Convert to fraction form
    358,445,522/553,586,910 = 553,586,910/x
  3. Step 3: Cross multiply
    358,445,522x = 553,586,910 × 553,586,910
  4. Step 4: Simplify right side
    358,445,522x = 306,458,466,923,348,096
  5. Step 5: Solve for x
    x = 306,458,466,923,348,096/358,445,522
  6. Step 6: Final answer
    x = 854,965,254.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.