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Finding the Third Proportional to 3,070,368,840 and 4,387,628,209

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Solution

The third proportional to 3,070,368,840 and 4,387,628,209 is: 6,270,022,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,368,840 : 4,387,628,209 = 4,387,628,209 : x
  2. Step 2: Convert to fraction form
    3,070,368,840/4,387,628,209 = 4,387,628,209/x
  3. Step 3: Cross multiply
    3,070,368,840x = 4,387,628,209 × 4,387,628,209
  4. Step 4: Simplify right side
    3,070,368,840x = 19,251,281,300,412,547,072
  5. Step 5: Solve for x
    x = 19,251,281,300,412,547,072/3,070,368,840
  6. Step 6: Final answer
    x = 6,270,022,366.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.