Finding the Third Proportional to 619,903.13 and 939,210.19
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Solution
The third proportional to 619,903.13 and 939,210.19 is: 1,422,989.72
Step by Step Solution
- Step 1: Write the proportion equation
619,903.13 : 939,210.19 = 939,210.19 : x - Step 2: Convert to fraction form
619,903.13/939,210.19 = 939,210.19/x - Step 3: Cross multiply
619,903.13x = 939,210.19 × 939,210.19 - Step 4: Simplify right side
619,903.13x = 882,115,776,303.79 - Step 5: Solve for x
x = 882,115,776,303.79/619,903.13 - Step 6: Final answer
x = 1,422,989.72
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.