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Finding the Third Proportional to 19,115,332,875 and 29,986,316,775

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Solution

The third proportional to 19,115,332,875 and 29,986,316,775 is: 47,039,682,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115,332,875 : 29,986,316,775 = 29,986,316,775 : x
  2. Step 2: Convert to fraction form
    19,115,332,875/29,986,316,775 = 29,986,316,775/x
  3. Step 3: Cross multiply
    19,115,332,875x = 29,986,316,775 × 29,986,316,775
  4. Step 4: Simplify right side
    19,115,332,875x = 899,179,193,730,646,409,216
  5. Step 5: Solve for x
    x = 899,179,193,730,646,409,216/19,115,332,875
  6. Step 6: Final answer
    x = 47,039,682,730.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.