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Finding the Third Proportional to 318,619,332 and 492,078,888

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Solution

The third proportional to 318,619,332 and 492,078,888 is: 759,971,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,619,332 : 492,078,888 = 492,078,888 : x
  2. Step 2: Convert to fraction form
    318,619,332/492,078,888 = 492,078,888/x
  3. Step 3: Cross multiply
    318,619,332x = 492,078,888 × 492,078,888
  4. Step 4: Simplify right side
    318,619,332x = 242,141,632,015,316,544
  5. Step 5: Solve for x
    x = 242,141,632,015,316,544/318,619,332
  6. Step 6: Final answer
    x = 759,971,563.86

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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.