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Finding the Third Proportional to 358,958,590.50 and 780,810,441

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Solution

The third proportional to 358,958,590.50 and 780,810,441 is: 1,698,426,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,958,590.50 : 780,810,441 = 780,810,441 : x
  2. Step 2: Convert to fraction form
    358,958,590.50/780,810,441 = 780,810,441/x
  3. Step 3: Cross multiply
    358,958,590.50x = 780,810,441 × 780,810,441
  4. Step 4: Simplify right side
    358,958,590.50x = 609,664,944,774,614,528
  5. Step 5: Solve for x
    x = 609,664,944,774,614,528/358,958,590.50
  6. Step 6: Final answer
    x = 1,698,426,952.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.