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Finding the Third Proportional to 358,445,907 and 553,587,487

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Solution

The third proportional to 358,445,907 and 553,587,487 is: 854,966,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,445,907 : 553,587,487 = 553,587,487 : x
  2. Step 2: Convert to fraction form
    358,445,907/553,587,487 = 553,587,487/x
  3. Step 3: Cross multiply
    358,445,907x = 553,587,487 × 553,587,487
  4. Step 4: Simplify right side
    358,445,907x = 306,459,105,762,975,168
  5. Step 5: Solve for x
    x = 306,459,105,762,975,168/358,445,907
  6. Step 6: Final answer
    x = 854,966,118.40

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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.