Finding the Third Proportional to 390,845.09 and 583,966.91
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Solution
The third proportional to 390,845.09 and 583,966.91 is: 872,512.82
Step by Step Solution
- Step 1: Write the proportion equation
390,845.09 : 583,966.91 = 583,966.91 : x - Step 2: Convert to fraction form
390,845.09/583,966.91 = 583,966.91/x - Step 3: Cross multiply
390,845.09x = 583,966.91 × 583,966.91 - Step 4: Simplify right side
390,845.09x = 341,017,351,302.04 - Step 5: Solve for x
x = 341,017,351,302.04/390,845.09 - Step 6: Final answer
x = 872,512.82
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.