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Finding the Third Proportional to 16,774,869 and 36,689,784

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Solution

The third proportional to 16,774,869 and 36,689,784 is: 80,247,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774,869 : 36,689,784 = 36,689,784 : x
  2. Step 2: Convert to fraction form
    16,774,869/36,689,784 = 36,689,784/x
  3. Step 3: Cross multiply
    16,774,869x = 36,689,784 × 36,689,784
  4. Step 4: Simplify right side
    16,774,869x = 1,346,140,249,966,656
  5. Step 5: Solve for x
    x = 1,346,140,249,966,656/16,774,869
  6. Step 6: Final answer
    x = 80,247,437.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.