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Finding the Third Proportional to 1,290,940,656 and 1,937,732,928

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Solution

The third proportional to 1,290,940,656 and 1,937,732,928 is: 2,908,583,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,940,656 : 1,937,732,928 = 1,937,732,928 : x
  2. Step 2: Convert to fraction form
    1,290,940,656/1,937,732,928 = 1,937,732,928/x
  3. Step 3: Cross multiply
    1,290,940,656x = 1,937,732,928 × 1,937,732,928
  4. Step 4: Simplify right side
    1,290,940,656x = 3,754,808,900,255,453,184
  5. Step 5: Solve for x
    x = 3,754,808,900,255,453,184/1,290,940,656
  6. Step 6: Final answer
    x = 2,908,583,661.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.