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Finding the Third Proportional to 985,140,312 and 2,141,754,546

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Solution

The third proportional to 985,140,312 and 2,141,754,546 is: 4,656,303,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,140,312 : 2,141,754,546 = 2,141,754,546 : x
  2. Step 2: Convert to fraction form
    985,140,312/2,141,754,546 = 2,141,754,546/x
  3. Step 3: Cross multiply
    985,140,312x = 2,141,754,546 × 2,141,754,546
  4. Step 4: Simplify right side
    985,140,312x = 4,587,112,535,311,666,176
  5. Step 5: Solve for x
    x = 4,587,112,535,311,666,176/985,140,312
  6. Step 6: Final answer
    x = 4,656,303,756.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.