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Finding the Third Proportional to 9,140,190,557 and 12,629,666,944

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Solution

The third proportional to 9,140,190,557 and 12,629,666,944 is: 17,451,330,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140,190,557 : 12,629,666,944 = 12,629,666,944 : x
  2. Step 2: Convert to fraction form
    9,140,190,557/12,629,666,944 = 12,629,666,944/x
  3. Step 3: Cross multiply
    9,140,190,557x = 12,629,666,944 × 12,629,666,944
  4. Step 4: Simplify right side
    9,140,190,557x = 159,508,487,116,366,282,752
  5. Step 5: Solve for x
    x = 159,508,487,116,366,282,752/9,140,190,557
  6. Step 6: Final answer
    x = 17,451,330,595.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.